Is an unquenchable joy in science the secret to longevity? As a graduate student, Evelyn Witkin jumped up and down with excitement when she found out that bacteria have genes. She went on to spend over half a century studying bacterial genetics, and this month, she turned 100!
![Evelyn Witkin Evelyn Witkin](https://laskerfoundation.org/wp-content/uploads/2021/02/evelyn_witkin_350x260.jpeg)
![Evelyn Witkin Evelyn Witkin](https://laskerfoundation.org/wp-content/uploads/2021/02/witkin_ibiology.jpg)
![Witkin, Evelyn Witkin, Evelyn](https://laskerfoundation.org/wp-content/uploads/2021/01/evelynwitkinawards-cropped.jpg)